Display screen or portion thereof with a graphical user interface



The patent or application file contains at least one drawing executed incolor. Copies of this patent or patent application publication withcolor drawing(s) will be provided by the Office upon request and paymentof the necessary fee.

The FIGURE is a front view of a display screen or portion thereof with agraphical user interface showing our new design.

In the FIGURE, the broken lines including alternating long and shortdashes forming a frame around the graphical user interface are for thepurpose of illustrating a display screen or a portion thereof that formsno part of the claimed design. The other broken lines within thegraphical user interface represent portions of the graphical userinterface that form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.